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『TensorFlow』第四弹_classification分类学习_拨云见日
本节是以mnist手写数字识别为例,实现了分类网络(又双叒叕见mnist......) ,不过这个分类器实现很底层,能学到不少tensorflow的用法习惯,语言不好描述,值得注意的地方使用大箭头标注了(原来tensorflow的向前传播的调用是这么实现的...之前自己好蠢): 调试&深入理解: 添 ...
分类:其他好文   时间:2017-05-19 15:13:24    阅读次数:206
Unsupervised Learning and Text Mining of Emotion Terms Using R
Unsupervised learning refers to data science approaches that involve learning without a prior knowledge about the classification of sample data. In Wi ...
分类:其他好文   时间:2017-05-19 11:14:01    阅读次数:299
机器学习笔记(Washington University)- Classification Specialization-week six & week 7
1. Precisoin and recall precision is how precise i am at showing good stuff on my website recall is how good i am at find all the postive reviews prec ...
分类:其他好文   时间:2017-05-18 23:54:35    阅读次数:298
机器学习笔记(Washington University)- Classification Specialization-week five
1. Ensemble classifier Each classifier votes on prediction Ensemble model = sign(w1f1(xi) + w2f2(xi) + w3f3(xi)) w1 w2 w3 is the learning coefficients ...
分类:其他好文   时间:2017-05-17 23:28:21    阅读次数:173
Machine Learning:Neural Network---Representation
Machine Learning:Neural Network Representation 1。Non-Linear Classification 假设还採取简单的线性分类手段。那么会面临着过拟合以及效率低下的问题(如图所看到的),然而neural network则能够非常好的解决非线性分类问题。 ...
分类:Web程序   时间:2017-05-14 20:29:21    阅读次数:231
phonetic
Simple Classification of English Vowels and Consonants 1.Classifation of English Vowels a)Monophtongs 1)Front Vowels 2)Back Vowels 3)Central Vowels b) ...
分类:Web程序   时间:2017-05-13 11:24:41    阅读次数:278
机器学习笔记(Washington University)- Classification Specialization-week 3
1. Quality metric Quality metric for the desicion tree is the classification error error=number of incorrect predictions / number of examples 2. Greed ...
分类:其他好文   时间:2017-05-13 09:49:32    阅读次数:145
机器学习笔记(Washington University)- Classification Specialization-week one & week two
1. Linear classifier It will use training data to learn a weight or coefficient for each word. We use the gradient ascent to find the best model with ...
分类:其他好文   时间:2017-05-12 00:24:11    阅读次数:137
图的存储方式
图(Graph)是由点(Point)和边(Edge)组成的集合,要存储图就要存储他的点和边。显然点很容易存储,所以我们只要存储边,就可以存储整张图,所以现在我们只关注边。 »边的分类(Edge classification) 1.按是否有权值分类,可以把边分为有权边和无权边。多数时候,无权边可以看成 ...
分类:其他好文   时间:2017-05-06 11:59:37    阅读次数:259
图像稀疏编码表示
注:本文学习自CVPR《Linear Spatial Pyramid Matching Using Sparse Coding for Image Classification》、《Image classification By non-negative sparse coding, low-ran ...
分类:其他好文   时间:2017-05-06 11:43:39    阅读次数:286
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